They also comply to ABYC H-27 500Lb standard when used with TruDesign Skin Fitting (Thru Hulls)

Frequency Band: 235 kHz

which doesn't need any free end

which is specially treated

Please see technical info here

Robship Rope Bag Mk2 Grey Large Wet Weather Gear They also comply to ABYCCompact yet handy rope bag. with SNAD fixing solution, this rope bag can be fixed onto any flat surface. The mesh panel at the bottom drains water as well as having good ventilation for quick dry. Front pocket for tools or your small belongings such as wallet or smart phone. The hem on the top is reinforced with visor and can easily put your rope or get it out of the bag. Back panel is also reinforced and rope bag won't lose its shape. size variant